Noise in Hydraulic System

Here’s another Flint Hydraulics Tech Tip: Noise in a hydraulic system can mean serious trouble. A rattling sound from the pump may indicate cavitation of the fluid, caused by excessive vacuum at the pump’s inlet. Even moderate cavitation can destroy a pump within a few hours of operation. What causes cavitation? It may be excessive pump shaft speed, high oil viscosity, a restriction or too many elbows in the inlet plumbing, or a collapsed inlet hose, among other causes. Need help troubleshooting? Contact any of our Certified Fluid Power Specialists today at 901-794-4884 or email sales@flinthyd.com.

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